Brett, W.a.; Rademacher, P.; Boese, R.:
Structure of 1,5-diisopropyl-4-phenyl-4,5-dihydrotetraazaborole.
In: Acta Crystallographica, Section C: Crystal Structure Communications (Acta Crystallogr.Sect.C Cryst.Struct.Commun.), Jg. C46 (1990), Heft 4, S. 689 - 691
1990Artikel/Aufsatz in ZeitschriftChemie
Structure of 1,5-diisopropyl-4-phenyl-4,5-dihydrotetraazaborole.
Brett, W.a.; Rademacher, P.LSF; Boese, R.LSF


The title compd. is monoclinic, space group P21/n, with a 5.914(1), b 21.225(3), c 11.207(2) .ANG., and b 102.74(1) Deg; dc = 1.114 for Z = 4. The final R = 0.054 for 1292 reflections. At. coordinates are given. The mol. shows extensive p delocalization throughout the dihydrotetraazaborole ring indicated by equiv. B-N bonds, shortened N-N bonds and a lengthened N:N bond. Intramol. steric interactions are minimized by twisting the Ph group by an interplanar angle of 44.4 Deg relative to the 5-membered ring.